Human Physiology Unit 1 Exam Review B Question Preview (ID: 36072)


BIOL G225. TEACHERS: click here for quick copy question ID numbers.

all organic molecules contain
a) carbon
b) sulfur
c) nitrogen
d) phosphorus

sucrose is a disaccharide that contains one _____ and one ______
a) glucose, fructose (which are structural isomers of each other)
b) galactose, lactose
c) carbohydrate, lipid
d) carbohydrate, amino acid

glycogen is
a) more highly branched than starch
b) is a glucose polymer
c) used for short term energy storage
d) all of the other answers are correct

which of the following is NOT a type of lipid?
a) amylase
b) triglyceride
c) steroid
d) prostaglandin

which of the following is NOT true of unsaturated fatty acids
a) they contain the maximal number of hydrogen atoms
b) they are more liquid at room temperature than saturated fatty acids
c) they contain one or more Carbon=Carbon double bonds
d) they are never found in phospholipids

what characteristic of phospholipids allows them to form the double layer seen in cell membranes?
a) they are amphipathic
b) they are non-polar
c) they are soluble in water
d) they are hydrophobic

the Alpha helices and Beta sheets of a protein molecule are its
a) secondary structure
b) primary structure
c) tertiary structure
d) quaternary structure

the subunit of protein is the
a) amino acid
b) nucleic acid
c) fatty acid
d) carbonic acid

the subunit of nucleic acids is the
a) nucleotide
b) amino acid
c) fatty acid
d) carbonic acid

which of the following is NOT one of the types of RNA
a) dRNA
b) rRNA
c) tRNA
d) mRNA

proteins located on the plasma membrane can act as
a) receptors
b) enzymes
c) neurotransmitter
d) pseudopods

very small particulate matter is taken into the cells via the process of
a) pinocytosis
b) phagocytosis
c) exocytosis
d) ligand-mediated endocytosis

of the cells in the human body, only _____ have flagella
a) sperm
b) intestinal villae
c) endometrial cells
d) pseudostratified epithelium

folds in the plasma membrane that increase surface area are
a) microvilli
b) convolutionae
c) flagella
d) cillia

organelles that contain digestive enzymes are
a) lysosomes
b) peroxisomes
c) contractile vesicles
d) golgi apparatus

the organelle where aerobic respiration takes place is
a) mitochondrion
b) endoplasmic reticulum
c) golgi apparatus
d) lysosome

an 'organelle' with 2 subunits that carries out translation is the
a) ribosome
b) nucleus
c) nucleolus
d) mRNA

cells that are involved in secreting proteins would have a preponderance of _____
a) granular(rough) endoplasmic reticulum
b) mitochondria
c) lysosomes
d) microtubules

muscles and sperm would have a large number of
a) mitochondria
b) golgi bodies
c) ribosomes
d) vaccuoles

the function of the ____ is to produce ribosomal RNA
a) nucleolus
b) golgi
c) ribosome
d) endoplasmic reticulum

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